diff --git a/src/SessionController.cpp b/src/SessionController.cpp
index 0c912958a..ba3b88658 100644
--- a/src/SessionController.cpp
+++ b/src/SessionController.cpp
@@ -662,7 +662,7 @@ void SessionController::setupExtraActions()
     connect(_codecAction, SIGNAL(triggered(QTextCodec*)), this, SLOT(changeCodec(QTextCodec*)));
 
     // Text Size
-    action = collection->addAction("enlarge-font", this, SLOT(increaseTextSize()));
+    action = collection->addAction("enlarge-font", this, SLOT(increaseFontSize()));
     action->setText(i18n("Enlarge Font"));
     action->setIcon(KIcon("format-font-size-more"));
     KShortcut enlargeFontShortcut = action->shortcut();
@@ -670,7 +670,7 @@ void SessionController::setupExtraActions()
     enlargeFontShortcut.setAlternate(QKeySequence(Qt::CTRL + Qt::Key_Equal));
     action->setShortcut(enlargeFontShortcut);
 
-    action = collection->addAction("shrink-font", this, SLOT(decreaseTextSize()));
+    action = collection->addAction("shrink-font", this, SLOT(decreaseFontSize()));
     action->setText(i18n("Shrink Font"));
     action->setIcon(KIcon("format-font-size-less"));
     action->setShortcut(KShortcut(Qt::CTRL | Qt::Key_Minus));
@@ -1196,20 +1196,14 @@ void SessionController::clearHistoryAndReset()
     clearHistory();
 }
 
-void SessionController::increaseTextSize()
+void SessionController::increaseFontSize()
 {
-    QFont font = _view->getVTFont();
-    font.setPointSizeF(font.pointSizeF() + 1);
-    _view->setVTFont(font);
+    _view->increaseFontSize();
 }
 
-void SessionController::decreaseTextSize()
+void SessionController::decreaseFontSize()
 {
-    static const qreal MinimumFontSize = 6;
-
-    QFont font = _view->getVTFont();
-    font.setPointSizeF(qMax(font.pointSizeF() - 1, MinimumFontSize));
-    _view->setVTFont(font);
+    _view->decreaseFontSize();
 }
 
 void SessionController::monitorActivity(bool monitor)
diff --git a/src/SessionController.h b/src/SessionController.h
index cd5a9ff1b..9a488589d 100644
--- a/src/SessionController.h
+++ b/src/SessionController.h
@@ -207,10 +207,10 @@ public slots:
     void closeSession();
 
     /**  Increase font size */
-    void increaseTextSize();
+    void increaseFontSize();
 
     /**  Decrease font size */
-    void decreaseTextSize();
+    void decreaseFontSize();
 
 private slots:
     // menu item handlers
diff --git a/src/TerminalDisplay.cpp b/src/TerminalDisplay.cpp
index fe902db49..7a0b988d4 100644
--- a/src/TerminalDisplay.cpp
+++ b/src/TerminalDisplay.cpp
@@ -224,6 +224,22 @@ void TerminalDisplay::setFont(const QFont &)
     // ignore font change request if not coming from konsole itself
 }
 
+void TerminalDisplay::increaseFontSize()
+{
+    QFont font = getVTFont();
+    font.setPointSizeF(font.pointSizeF() + 1);
+    setVTFont(font);
+}
+
+void TerminalDisplay::decreaseFontSize()
+{
+    const qreal MinimumFontSize = 6;
+
+    QFont font = getVTFont();
+    font.setPointSizeF(qMax(font.pointSizeF() - 1, MinimumFontSize));
+    setVTFont(font);
+}
+
 uint TerminalDisplay::lineSpacing() const
 {
     return _lineSpacing;
@@ -2282,12 +2298,13 @@ void TerminalDisplay::wheelEvent(QWheelEvent* ev)
 
     // ctrl+<wheel> for zomming, like in konqueror and firefox
     if (ev->modifiers() & Qt::ControlModifier) {
-        if (ev->delta() > 0)
-            // wheel-up
-            _sessionController->increaseTextSize();
-        else
-            // wheel-down
-            _sessionController->decreaseTextSize();
+        if (ev->delta() > 0) {
+            // wheel-up for increasing font size
+            increaseFontSize();
+        } else {
+            // wheel-down for decreasing font size
+            decreaseFontSize();
+        }
 
         return;
     }
diff --git a/src/TerminalDisplay.h b/src/TerminalDisplay.h
index ed97b783c..127f31b2b 100644
--- a/src/TerminalDisplay.h
+++ b/src/TerminalDisplay.h
@@ -329,6 +329,12 @@ public:
      */
     void setVTFont(const QFont& font);
 
+    /** Increases the font size */
+    void increaseFontSize();
+
+    /** Decreases the font size */
+    void decreaseFontSize();
+
     /**
      * Specified whether anti-aliasing of text in the terminal display
      * is enabled or not.  Defaults to enabled.